CN103163402B - Relay protection device state monitoring apparatus based on secondary circuit and monitoring method - Google Patents
Relay protection device state monitoring apparatus based on secondary circuit and monitoring method Download PDFInfo
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- CN103163402B CN103163402B CN201310041448.3A CN201310041448A CN103163402B CN 103163402 B CN103163402 B CN 103163402B CN 201310041448 A CN201310041448 A CN 201310041448A CN 103163402 B CN103163402 B CN 103163402B
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- relay protection
- protection device
- transformer
- secondary circuit
- industrial computer
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Abstract
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Priority Applications (1)
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CN201310041448.3A CN103163402B (en) | 2013-02-02 | 2013-02-02 | Relay protection device state monitoring apparatus based on secondary circuit and monitoring method |
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CN201310041448.3A CN103163402B (en) | 2013-02-02 | 2013-02-02 | Relay protection device state monitoring apparatus based on secondary circuit and monitoring method |
Publications (2)
Publication Number | Publication Date |
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CN103163402A CN103163402A (en) | 2013-06-19 |
CN103163402B true CN103163402B (en) | 2016-12-28 |
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CN201310041448.3A Expired - Fee Related CN103163402B (en) | 2013-02-02 | 2013-02-02 | Relay protection device state monitoring apparatus based on secondary circuit and monitoring method |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103777092B (en) * | 2013-12-23 | 2016-08-31 | 国家电网公司 | A kind of relay protection test system based on cloud and method thereof |
CN105301419A (en) * | 2015-12-03 | 2016-02-03 | 中国电力科学研究院 | Cloud-technology-based automatic test system for protective relaying device |
CN105807162A (en) * | 2016-03-25 | 2016-07-27 | 神华集团有限责任公司 | Action monitoring circuit for secondary circuits in electrical system and terminal strip |
CN107634983B (en) * | 2017-08-02 | 2020-09-15 | 贵州电网有限责任公司 | Relay protection remote cloud service system |
CN112114190A (en) * | 2020-10-16 | 2020-12-22 | 国网江苏省电力有限公司无锡供电分公司 | Online monitoring device for operation loop of power grid protection system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050001866A (en) * | 2003-06-26 | 2005-01-07 | 두산중공업 주식회사 | Apparatus of Monitoring a Space Heater in the Crane |
CN101710692A (en) * | 2009-09-15 | 2010-05-19 | 珠海瑞捷电气有限公司 | Out-of-step protection method for synchronous motor |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US7561396B2 (en) * | 2004-03-09 | 2009-07-14 | Samsung Measuring Instruments Co., LTD | Apparatus for monitoring open state of the secondary terminals of a current transformer |
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2013
- 2013-02-02 CN CN201310041448.3A patent/CN103163402B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050001866A (en) * | 2003-06-26 | 2005-01-07 | 두산중공업 주식회사 | Apparatus of Monitoring a Space Heater in the Crane |
CN101710692A (en) * | 2009-09-15 | 2010-05-19 | 珠海瑞捷电气有限公司 | Out-of-step protection method for synchronous motor |
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CN103163402A (en) | 2013-06-19 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 274000, No. 199, Zhonghua Road, Shandong, Heze Applicant after: Heze Power Supply Company of State Grid Shandong Electric Power Company Applicant after: State Grid Corporation of China Address before: 274000, No. 199, Zhonghua Road, Shandong, Heze Applicant before: HEZE POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER GROUP Co.,Ltd. Applicant before: State Grid Corporation of China |
|
CB03 | Change of inventor or designer information |
Inventor after: Han Yanfei Inventor after: Tian Keqiang Inventor after: Li Ming Inventor after: Li Zhongyuan Inventor after: Guo Qijun Inventor after: Sun Suliang Inventor after: Gong Lianxing Inventor after: Li Jipan Inventor after: Du Yuyu Inventor after: Zhang Yiqiang Inventor after: Li Ning Inventor after: Gu Dong Inventor after: Yan Xiaoting Inventor after: Liu Dejian Inventor after: Du Yinjing Inventor after: Gu Tong Inventor after: Wang Yang Inventor after: Xu Ke Inventor after: Chen Xiaodong Inventor after: Guo Rui Inventor after: Lv Su Inventor after: Niu Shuofeng Inventor after: Ai Maomin Inventor after: Hou Guangsong Inventor after: Deng Shuai Inventor after: DuanMu Bin Inventor before: Ai Maomin Inventor before: Hou Guangsong Inventor before: Deng Shuai Inventor before: DuanMu Bin Inventor before: Tian Keqiang |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20220202 |